5L 16s

This is the MOS which splits its small steps 3-3-3-3-4 between its large steps. Its "diatonic" whole tone/supermajor second generator measures no less than 4/21edo (228.571 cents), meaning 8/7 is less than the boundary of "practicality" for it (which is at 31edo).

1/5					240
				8/41	234.146
			7/36		233.333
				13/67	232.836
					232.431
		6/31			232.258
					231.8895
				17/88	231.818
					231.75
			11/57		231.578
				16/83	231.325
	5/26				230.769
				19/99	230.303
					230.268
			14/73		230.137
					230.037
				23/120	230
					229.939
		9/47			229.787
				22/115	229.565
			13/68		229.412
				17/89	229.2135
4/21					228.571